cultivations of C. tropicalis, P. stipitis and C. guilliermondii
were kept in a 3.5 dm3 working-volume benchtop bioreactor
equipped with pH (4.5 ± 0.2), temperature (30 ± 1 C), aeration
(1 vvm) and foam control systems. The inoculum was set to 24 g
DM (dry matter, as 100 cm3 yeast cream); initial filling was
400 cm3 of water. Nutrients were supplied as shown in Table 1
below.